Home / 55,807.08-77,017.54-30,656.84

Finding the Fourth Proportional to 55,807.08, 77,017.54 and 30,656.84

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Solution

The fourth proportional to 55,807.08, 77,017.54 and 30,656.84 is: 42,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,807.08 : 77,017.54 = 30,656.84 : x
  2. Step 2: Convert to fraction form
    55,807.08/77,017.54 = 30,656.84/x
  3. Step 3: Cross multiply
    55,807.08x = 77,017.54 × 30,656.84
  4. Step 4: Simplify right side
    55,807.08x = 2,361,114,400.97
  5. Step 5: Solve for x
    x = 2,361,114,400.97/55,807.08
  6. Step 6: Final answer
    x = 42,308.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.